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  1. Sealant Discoloration? Need advice

    W176 Technical
    Hi all, I went to see a second hand W169 A-180 2012 at a trader yesterday. When i opened the bonnet i saw this "discoloration" on the top right hand side. The trader said that its "discoloration of the sealant and is nothing to worry about" however on the other side there was nothing like it...
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